You're In a good spot.
D1 will typically look for low 90s (CONSISTENTLY), with a minimum of 2 good pitches. You can't tip a pitch, either. Another thing is your composure - if you get rattled easily, that's a strike against you. If you can get there by senior year and locate it, you'll be golden.
Something that's overlooked if your GPA. When they talk to you, they want a kid with a head on his shoulders who will raise the team GPA. Just remember that.